CVE-2004-1484: Socat

Medium severity, CVSS 5.0. EPSS: 7.3% chance of exploitation in the next 30 days.

Format string vulnerability in the _msg function in error.c in socat 1.4.0.3 and earlier, when used as an HTTP proxy client and run with the -ly option, allows remote attackers or local users to execute arbitrary code via format string specifiers in a syslog message.

Affected products

• Socat Socat: version 1.0.3.0 only; version 1.0.4.0 only; version 1.0.4.1 only; version 1.0.4.2 only; version 1.1.0.0 only; version 1.1.0.1 only; …

Published 2004-12-31. Last modified 2026-06-16.